23 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Neurologic system ... Genitourinary system ... #differential #diagnosis ... #rheumatology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... diseases features ... (wrists, metacarpal-phalangeals ... deviation, etc • Systemic ... #symptoms #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... pain (20%) Renal disease ... ) Blood (75%): Anemia ... erythematosus #signs ... #symptoms #diagnosis
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
autoimmune disease ... skin thickening Signs ... interstitial lung disease ... Musculoskeletal: joint ... #diagnosis #signs
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... : - Arthritis ... - Hemolytic anemia ... autoantibodies #signs ... #differential #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Fever/Chills/Joint ... Infection - Systemic ... Effusions: - Hematologic ... #differential #diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... noninflammatory Signs ... Rheumatologic Disease ... #Diagnosis #MSK ... #rheumatology #
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
juvenile idiopathic arthritis ... idiopathic arthritis ... with leukopenia, anemia ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... with joint-space ... mass and NO prior signs ... diffuse chondral disease ... #msk #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... : • Joint pain ... arthropathy • 90% joints ... lymphopenia, low PLT • Anemia ... Erythematosus #Diagnosis